Remove pointless increment/decrement of indexes returned by RndVendorItem

Source/items.cpp

@@ -1900,7 +1900,7 @@ int RndVendorItem(const Player &player, int minlvl, int maxlvl)
 			break;
 	}
 
-	return ril[GenerateRnd(static_cast<int>(ri))] + 1;
+	return ril[GenerateRnd(static_cast<int>(ri))];
 }
 
 int RndSmithItem(const Player &player, int lvl)
@@ -1968,7 +1968,7 @@ void SpawnOnePremium(Item &premiumItem, int plvl, const Player &player)
 		premiumItem = {};
 		premiumItem._iSeed = AdvanceRndSeed();
 		SetRndSeed(premiumItem._iSeed);
-		int itemType = RndPremiumItem(player, plvl / 4, plvl) - 1;
+		int itemType = RndPremiumItem(player, plvl / 4, plvl);
 		GetItemAttrs(premiumItem, itemType, plvl);
 		GetItemBonus(player, premiumItem, plvl / 2, plvl, true, !gbIsHellfire);
 
@@ -2098,7 +2098,7 @@ int RndHealerItem(const Player &player, int lvl)
 void RecreateSmithItem(const Player &player, Item &item, int lvl, int iseed)
 {
 	SetRndSeed(iseed);
-	int itype = RndSmithItem(player, lvl) - 1;
+	int itype = RndSmithItem(player, lvl);
 	GetItemAttrs(item, itype, lvl);
 
 	item._iSeed = iseed;
@@ -2109,7 +2109,7 @@ void RecreateSmithItem(const Player &player, Item &item, int lvl, int iseed)
 void RecreatePremiumItem(const Player &player, Item &item, int plvl, int iseed)
 {
 	SetRndSeed(iseed);
-	int itype = RndPremiumItem(player, plvl / 4, plvl) - 1;
+	int itype = RndPremiumItem(player, plvl / 4, plvl);
 	GetItemAttrs(item, itype, plvl);
 	GetItemBonus(player, item, plvl / 2, plvl, true, !gbIsHellfire);
 
@@ -2121,7 +2121,7 @@ void RecreatePremiumItem(const Player &player, Item &item, int plvl, int iseed)
 void RecreateBoyItem(const Player &player, Item &item, int lvl, int iseed)
 {
 	SetRndSeed(iseed);
-	int itype = RndBoyItem(player, lvl) - 1;
+	int itype = RndBoyItem(player, lvl);
 	GetItemAttrs(item, itype, lvl);
 	GetItemBonus(player, item, lvl, 2 * lvl, true, true);
 
@@ -2140,7 +2140,7 @@ void RecreateWitchItem(const Player &player, Item &item, int idx, int lvl, int i
 		GetItemAttrs(item, idx, lvl);
 	} else {
 		SetRndSeed(iseed);
-		int itype = RndWitchItem(player, lvl) - 1;
+		int itype = RndWitchItem(player, lvl);
 		GetItemAttrs(item, itype, lvl);
 		int iblvl = -1;
 		if (GenerateRnd(100) <= 5)
@@ -2162,7 +2162,7 @@ void RecreateHealerItem(const Player &player, Item &item, int idx, int lvl, int
 		GetItemAttrs(item, idx, lvl);
 	} else {
 		SetRndSeed(iseed);
-		int itype = RndHealerItem(player, lvl) - 1;
+		int itype = RndHealerItem(player, lvl);
 		GetItemAttrs(item, itype, lvl);
 	}
 
@@ -4016,7 +4016,7 @@ void SpawnSmith(int lvl)
 			newItem = {};
 			newItem._iSeed = AdvanceRndSeed();
 			SetRndSeed(newItem._iSeed);
-			int itemData = RndSmithItem(*MyPlayer, lvl) - 1;
+			int itemData = RndSmithItem(*MyPlayer, lvl);
 			GetItemAttrs(newItem, itemData, lvl);
 		} while (newItem._iIvalue > maxValue);
 
@@ -4111,7 +4111,7 @@ void SpawnWitch(int lvl)
 			item = {};
 			item._iSeed = AdvanceRndSeed();
 			SetRndSeed(item._iSeed);
-			int itemData = RndWitchItem(*MyPlayer, lvl) - 1;
+			int itemData = RndWitchItem(*MyPlayer, lvl);
 			GetItemAttrs(item, itemData, lvl);
 			int maxlvl = -1;
 			if (GenerateRnd(100) <= 5)
@@ -4152,7 +4152,7 @@ void SpawnBoy(int lvl)
 		boyitem = {};
 		boyitem._iSeed = AdvanceRndSeed();
 		SetRndSeed(boyitem._iSeed);
-		int itype = RndBoyItem(*MyPlayer, lvl) - 1;
+		int itype = RndBoyItem(*MyPlayer, lvl);
 		GetItemAttrs(boyitem, itype, lvl);
 		GetItemBonus(*MyPlayer, boyitem, lvl, 2 * lvl, true, true);
 
@@ -4268,7 +4268,7 @@ void SpawnHealer(int lvl)
 
 		item._iSeed = AdvanceRndSeed();
 		SetRndSeed(item._iSeed);
-		int itype = RndHealerItem(*MyPlayer, lvl) - 1;
+		int itype = RndHealerItem(*MyPlayer, lvl);
 		GetItemAttrs(item, itype, lvl);
 		item._iCreateInfo = lvl | CF_HEALER;
 		item._iIdentified = true;